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B. The ACFU fuse has blown.
Reason: < / span > < br / > < br / > < span style = "the font - size: 16 px;" > A. The power switch is damaged and there is no power input.
Reason: < / span > < br / > < br / > < span style = "the font - size: 16 px;" > A. The connection plug between the transducer and the ultrasonic power board is loose.
B. The DCFU fuse blew.
C. Fault of the ultrasonic power generator;
D. Transducer failure.
Reason: < / span > < br / > < br / > < span style = "the font - size: 16 px;" > A. The rectifier bridge stack or power transistor is burned out;
B. Transducer failure.
Reason: < / span > < br / > < br / > < span style = "the font - size: 16 px;" > A. The liquid level of the cleaning solution in the cleaning tank is inappropriate;
B. The ultrasonic frequency coordination was not properly adjusted;
C. The liquid temperature in the cleaning tank is too high;
D. Improper selection of cleaning solution
